| 1 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 05:38–06:17 | — | unobserved | 41533020 |
| 2 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 06:24–07:00 | — | unobserved | 94828020 |
| 3 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 07:08–07:47 | — | unobserved | 70744020 |
| 4 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 08:02–08:42 | — | unobserved | 104035020 |
| 5 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 08:54–09:36 | — | unobserved | 123816020 |
| 6 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 09:46–10:24 | — | unobserved | 47837020 |
| 7 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 10:31–11:10 | — | unobserved | 47286020 |
| 8 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 11:16–11:54 | — | unobserved | 35282020 |
| 9 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 12:01–12:40 | — | unobserved | 124982020 |
| 10 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 12:46–13:24 | — | unobserved | 114493020 |
| 11 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 13:31–14:10 | — | unobserved | 118773020 |
| 12 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 14:23–15:10 | — | unobserved | 88858020 |
| 13 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 15:20–16:05 | — | unobserved | 73866020 |
| 14 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 16:15–17:02 | — | unobserved | 129220020 |
| 15 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 17:12–17:57 | — | unobserved | 73980020 |
| 16 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 18:10–18:52 | — | unobserved | 134541020 |
| 17 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 19:04–19:44 | — | unobserved | 112487020 |
| 18 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 19:50–20:32 | — | unobserved | 114830020 |
| 19 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 20:35–21:11 | — | unobserved | 122262020 |
| 20 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 21:18–21:54 | 8912 | observed | 82547020 |
| 21 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 22:00–22:32 | 8912 | observed | 127338020 |
| 22 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 22:40–23:13 | 8912 | observed | 71042020 |
| 23 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 23:20–23:52 | 8912 | observed | 99764020 |
| 24 | 21 | North - 21C Brimley towards Steeles via Scarborough Centre Stn | 00:00 +1–00:33 +1 | 8912 | observed | 32147020 |
| 25 | 21 | South - 21C Brimley towards Kennedy Station via Scarborough Centre Stn | 00:42 +1–01:14 +1 | 8912 | observed | 94842020 |